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2. Automatic quartz - Wikipedia

   en.wikipedia.org/wiki/Automatic_quartz

   'Seiko Quartz Automatic Generating System' (A.G.S. = early Kinetic), Perpetuum Nobile (produced in 1989), Cal. 7M45, No. 246 of 700 Seiko AGS SCUBA Diver 200m 5M23-6A60, 1993 Automatic quartz is a collective term describing watch movements that combine a self-winding rotor mechanism [ 1 ] (as used in automatic mechanical watches ) to generate ...

3. Seiko - Wikipedia

   en.wikipedia.org/wiki/Seiko

   In 1978, Seiko introduced the world's first quartz diver's watch with a water resistance of 600 meters; in 1982, the world's first wristwatch with a television; in 1983, the world's first wristwatch with a record-and-play function and an analog quartz chronograph; in 1984, the world's first wristwatch computer; and in 1986, the world's first ...

4. Diving watch - Wikipedia

   en.wikipedia.org/wiki/Diving_watch

   A diving watch, also commonly referred to as a diver's or dive watch, is a watch designed for underwater diving that features, as a minimum, a water resistance greater than 1.1 MPa (11 atm), the equivalent of 100 m (330 ft). The typical diver's watch will have a water resistance of around 200 to 300 m (660 to 980 ft), though modern technology ...

5. List of diving equipment manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_diving_equipment...

   SUEX – Diver propulsion vehicles, underwater navigation systems. [133] Suunto – Finnish manufacturer of compasses, dive computers and sports watches – Dive computers, compasses; Swindell (diving helmet), also known as Advanced Diving Equipment Company – Free-flow open circuit air helmets. [134] The helmet was invented by George Swindell

6. List of watch manufacturers - Wikipedia

   en.wikipedia.org/wiki/List_of_watch_manufacturers

   Samsung Galaxy Watch; Sandoz watches; Schwarz Etienne; Sea-Gull; Sector; Seiko; Seiko Epson; Seiko Instruments; Seikosha; Sekonda; Shinola Detroit; Sinn; SSIH ...

7. Seikosha - Wikipedia

   en.wikipedia.org/wiki/Seikosha

   2009 — Seiko Instruments becomes a wholly owned subsidiary of Seiko Holdings. 2020 — Seiko Precision transfers its business operations to Seiko Time Systems Inc. and Seiko Solutions Inc. and dissolves. 2020 — Seiko Instruments transfers its watch business (development and manufacturing of the Seiko timepieces) to Seiko Watch Corporation.